H2H data updated: 2026-07-14 14:15 UTC
J. Fillol vs Juan Diaz H2H: 1-0
J. Fillol holds a 1–0 lead over Juan Diaz in their ATP head-to-head. Across 1 main-draw meeting, J. Fillol leads 1–0 on clay. Most recently, J. Fillol won the 1976 US Open first round 6-4 6-3.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 3, 1976* | US Open | Grand Slam | R128 | Clay | J. Fillol | 6-4 6-3 | Juan Diaz | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| J. Fillol | Juan Diaz | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 30–10 | 75.0% | — | 1,658 | 0 | 1 | — | — | — | — | — | — | — |
| 1969 | 27–19 | 58.7% | — | 1,673 | 0 | 1 | — | — | — | — | — | — | — |
| 1970 | 32–23 | 58.2% | — | 1,749 | 0 | 1 | — | — | — | — | — | — | — |
| 1971 | 43–21 | 67.2% | — | 1,774 | 0 | 3 | — | — | — | — | — | — | — |
| 1972 | 44–32 | 57.9% | — | 1,745 | 0 | 3 | — | — | — | — | — | — | — |
| 1973 | 51–33 | 60.7% | #17 | 1,867 | 0 | 4 | — | — | — | — | — | — | — |
| 1974 | 48–32 | 60.0% | #31 | 1,830 | 0 | 4 | — | — | — | — | — | — | — |
| 1975 | 56–27 | 67.5% | #16 | 1,962 | 0 | 4 | — | — | — | — | — | — | — |
| 1976 | 47–27 | 63.5% | #24 | 1,928 | 0 | 5 | — | — | — | — | — | — | — |
| 1977 | 44–21 | 67.7% | #24 | 1,894 | 0 | 5 | — | — | — | — | — | — | — |
| 1978 | 33–29 | 53.2% | #77 | 1,756 | 0 | 5 | — | — | — | — | — | — | — |
| 1979 | 21–28 | 42.9% | #124 | 1,736 | 0 | 5 | — | — | — | — | — | — | — |
| 1980 | 10–22 | 31.2% | #86 | 1,644 | 0 | 5 | — | — | — | — | — | — | — |
| 1981 | 18–19 | 48.6% | #95 | 1,654 | 0 | 6 | — | — | — | — | — | — | — |
| 1982 | 14–8 | 63.6% | #77 | 1,707 | 0 | 7 | — | — | — | — | — | — | — |
| 1983 | 14–16 | 46.7% | #85 | 1,649 | 0 | 7 | — | — | — | — | — | — | — |